The Vintage Holt Howard Mid-Century Modern Flower Power coffee mugs in blue back are a unique addition to any collection. With a round shape and a colorful floral pattern, these ceramic and porcelain mugs are perfect for all occasions. Made in Japan, these original coffee mugs feature a normal glass design and are recommended for hand wash only. The unisex adults can enjoy hot or cold beverages in these retro-inspired pieces that showcase the iconic Flower Power theme from the mid-century era.